OR.........just get comfortable shooting the pistol, as is. Factory sights are in no way deficient, for an EDC/SD pistol.
Obviously, the OP is free to do as he likes,
no dispute there, but IMO, this is yet another manifestation of this bizarre obsession so many gun owners have with dropping more and more money, on tons of largely un-necessary junk just to goober up their guns with.
Buy a decent holster and a pile of ammo, and go get proficient shooting it. it's perfectly capable, right now.